Radiant|Lab Grown|IGI

5.17ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG838647015

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG838647015

Diamond specifications and retailer prices

From £961 GBP
$1,280 USD
As of October 27, 2026
Save £3,210 GBP (77%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £6,646 GBP at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 5.17ct lab-grown radiant diamond

This 5.17ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG838647015 or 838647015. Listed at 24 retailers as of October 27, 2026, with a 334% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.17
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.9°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838647015
Dimensions12.96 × 8.09 × 5.45 mm
L/W Ratio1.60
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.96 mm8.09 mm5.17 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838647015
Side View
Table 67.0%Crown 45.9°Girdle: STK-THKPavilion 34.1°Culet: NoneDepth 67.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £1,171 GBP|Low: £961 GBP|High: £4,765 GBP|Avg: £2,212 GBP|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 11£961 GBP
Retailer 18£1,046 GBP
Retailer 5£1,077 GBP
Retailer 9£1,115 GBP
Retailer 1£1,171 GBP
Retailer 2£1,247 GBP
Retailer 19£1,409 GBP
Retailer 12£1,572 GBP
Retailer 17£1,596 GBP
Retailer 20£1,692 GBP
Retailer 21£2,079 GBP
Retailer 8£2,091 GBP
Retailer 7£2,264 GBP
Retailer 15£2,266 GBP
Retailer 4£2,689 GBP
Retailer 3£2,790 GBP
Retailer 14£3,259 GBP
Retailer 16£3,603 GBP
Retailer 6£3,915 GBP
Retailer 10£4,171 GBP
Retailer 13£4,765 GBP

18 data points across 21 retailers

24 retailers£961 GBP to £4,171 GBP

A
Cheapest Retailer
-
£961 GBP
$1,280 USD
A
Retailer 2
-
£1,046 GBP
$1,393 USD
View
A
Retailer 3
-
£1,077 GBP
$1,434 USD
View
Final sale: no returns
A
Retailer 4
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£1,115 GBP
$1,485 USD
View
Retailer 5
-
£1,142 GBP
$1,521 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
£1,171 GBP
View
A
Retailer 7
-
£1,247 GBP
$1,660 USD
View
A
Retailer 8
-
£1,409 GBP
$1,876 USD
View
A
Retailer 9
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£1,572 GBP
View
A
Retailer 10
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£1,596 GBP
$2,125 USD
View
A
Retailer 11
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£1,692 GBP
€2,146 EUR
View
A
Retailer 12
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£2,079 GBP
$2,768 USD
View
A
Retailer 13
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£2,091 GBP
$2,784 USD
View
Retailer 14
-
£2,264 GBP
A$4,639 AUD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
£2,266 GBP
ZAR 48,751 ZAR
View
B+
Retailer 16
-
£2,689 GBP
View
B+
Retailer 17
-
£2,790 GBP
$3,715 USD
View
B+
Retailer 18
-
£3,259 GBP
$4,340 USD
View
B+
Retailer 19
-
£3,603 GBP
View
B+
Retailer 20
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£3,915 GBP
$5,213 USD
View
B+
Retailer 21
-
£4,171 GBP
SGD 7,506 SGD
View
Retailer 22
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£4,765 GBP
$6,345 USD
View
Price last confirmed 11 days ago
Retailer 23
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£4,945 GBP
A$10,131 AUD
View
Price last confirmed 21 days ago
Most Expensive
Helzberg Diamonds
ZXZOJOMKNGHL · Oct 13
£6,646 GBP
$8,850 USD
View
Price last confirmed 17 days ago
23 more retailers have this diamond
Prices start from £961 GBPSave up to £3,210 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
5.17ct Radiant
£961 GBP